Alternatives to Texas Instruments UCC33421QDHARQ1
Texas Instruments UCC33421QDHARQ1 and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
Equivalent and substitute parts for Texas Instruments UCC33421QDHARQ1
| UCC33421QDHARQ1Texas Instruments | UCC33421DHARTexas Instruments | UCC33411QDHARQ1Texas Instruments | +1more | |
|---|---|---|---|---|
| FFF Compatibility | The part utilizes the exact same 16-pin DHA package with identical pin assignments.The physical package dimensions and surface-mount style match the target part precisely.Meets or exceeds all electrical performance specifications, including 1.5W output power and 4.5V to 5.5V input range. | Shares the identical DHA SSOP-16 pinout mapping.Maintains the same physical package shape, pitch, and height.Outputs 3.3V instead of the required 5.0V, and provides a maximum power of only 1.0W (compared to 1.5W). | ||
 AI Summary | UCC33421QDHARQ1 by Texas Instruments: Isolated Module DC DC Converter 1 Output 5V 300mA 4.5V - 5.5V Input. | This is the direct industrial-grade sibling of the automotive UCC33421QDHARQ1. It serves as an exact, seamless drop-in replacement with matching electrical and physical specifications, requiring no board layout changes.
| This is an automotive-grade, pin-compatible sibling from the same family. However, it is designed for a lower 3.3V output voltage rail and provides 1.0W maximum power, making it a viable alternative only if the downstream system can operate at 3.3V.
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| Lifecycle Status | Active | Active | Active | |
| Market Availability | Non-stock | Non-stock | Non-stock | |
| REACH | Unknown | Unknown | Unknown | |
| RoHS | RoHS | RoHS | RoHS | |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 UCC33411QDHARQ1Texas Instruments | Non-stock | Active | 3Alternatives availableSee Alternatives |
| UCC33421DHARTexas Instruments | Non-stock | Active | 2Alternatives availableSee Alternatives |
 UCC3818DWTexas Instruments | In stock | Obsolete | 3Alternatives availableSee Alternatives |
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